510(k) Report

510(k) · Cleared

Cleared

Ceramic Femoral Head

K240452510(k) TraditionalCleared Apr 12, 202457-day reviewClass II21 CFR 888.3353

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Microport Orthopedics, Inc. · LZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented

Cleared on Apr 12, 2024 as substantially equivalent to K173776 (Microport Orthopedics, Inc., 2018) and 2 other predicates after a 57-day review. Its family tree reaches back 11 generations to 1985. 3 of the 214 devices in its family, counting itself, have a Class I recall.

Decided
Apr 12, 2024
Review
57 days
Class
Class II
Product code
LZO
Recalls
None
Predicates
3

Its longest line of descent runs back 11 generations to K850055 (1985). 213 ancestors in all, the oldest K810258 (1981). No later device cites it as a predicate yet. 3 of the 214 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year cleared 2018: 2 other ancestors2017: 2 other ancestors2015: 3 other ancestors2014: 5 other ancestors2013: 5 other ancestors2012: 2 other ancestors2011: 7 other ancestors2009: 4 other ancestors, 1 with a Class I recall12008: 4 other ancestors2007: 5 other ancestors2006: 8 other ancestors2005: 10 other ancestors2002: 8 other ancestors2001: 6 other ancestors2000: 14 other ancestors, 1 with a Class I recall11995: 13 other ancestors1994: 25 other ancestors1989: 1 other ancestor1988: 3 other ancestors1986: 3 other ancestors2010: 2 other ancestors, 1 with a Class I recall11996: 15 other ancestors2004: 5 other ancestors2003: 7 other ancestors1999: 7 other ancestors1998: 7 other ancestors1997: 8 other ancestors1983: 1 other ancestor1981: 2 other ancestors1993: 5 other ancestors1992: 4 other ancestors1991: 3 other ancestors1985: 3 other ancestors1990: 1 other ancestor1987: 2 other ancestorsK850055 · Profile Femoral Hip · Depuy, Inc. · 1985K961378 · Delta Hip Prosthesis · Zimmer, Inc. · 1996 · recalled×2: 2 generations cleared close together, K992667 (1999), K994286 (2000) K032726 · Zimmer M/L Taper Hip Prosthesis, 7711 Series · Zimmer, Inc. · 2003 · recalledK071723 · Zimmer Porolock Mis Stem · Zimmer GmbH · 2008 · recalledK110400 · Taperloc Complete Microplasty Stem · Biomet Manufacturing Corp · 2011K121034 · Ioi Total Hip · Iconacy Orthopedic Implants, LLC · 2012K131279 · Iconacy I-Hip System · Iconacy Orthopedic Implants, LLC · 2013K151307 · ICONACY (TM) I-Hip (TM) · Iconacy Orthopedic Implants, LLC · 2016K190704 · Signature Ceramic Femoral Head · Signature Orthopaedics Pty, Ltd. · 201919801990200020102020
  1. Root · 11 generations backK850055 Profile Femoral HipDepuy, Inc. · 1985
  2. 7 generations between
  3. 3 generations backK131279 Iconacy I-Hip SystemIconacy Orthopedic Implants, LLC · 2013
  4. 2 generations backK151307 ICONACY (TM) I-Hip (TM)Iconacy Orthopedic Implants, LLC · 2016
  5. 1 generation backK190704 Signature Ceramic Femoral HeadSignature Orthopaedics Pty, Ltd. · 2019
  6. This deviceK240452 Ceramic Femoral HeadMicroport Orthopedics, Inc. · 2024
Show all 11 generations
  1. Root · 11 generations backK850055 Profile Femoral HipDepuy, Inc. · 1985
  2. 10 generations backK961378 Delta Hip ProsthesisZimmer, Inc. · 1996 · Recalled
  3. 9 generations backK992667 ZMR Hip System-Revision TaperZimmer, Inc. · 1999 · Recalled
  4. 8 generations backK994286 ZMR Hip System-Porous RevisionZimmer, Inc. · 2000 · Recalled
  5. 7 generations backK032726 Zimmer M/L Taper Hip Prosthesis, 7711 SeriesZimmer, Inc. · 2003 · Recalled
  6. 6 generations backK071723 Zimmer Porolock Mis StemZimmer GmbH · 2008 · Recalled
  7. 5 generations backK110400 Taperloc Complete Microplasty StemBiomet Manufacturing Corp · 2011
  8. 4 generations backK121034 Ioi Total HipIconacy Orthopedic Implants, LLC · 2012
  9. 3 generations backK131279 Iconacy I-Hip SystemIconacy Orthopedic Implants, LLC · 2013
  10. 2 generations backK151307 ICONACY (TM) I-Hip (TM)Iconacy Orthopedic Implants, LLC · 2016
  11. 1 generation backK190704 Signature Ceramic Femoral HeadSignature Orthopaedics Pty, Ltd. · 2019
  12. This deviceK240452 Ceramic Femoral HeadMicroport Orthopedics, Inc. · 2024

Class I recalls in this family

View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K850055Profile Femoral HipDepuy, Inc.1985—
−10K961378Delta Hip ProsthesisZimmer, Inc.19964
−9K992667ZMR Hip System-Revision TaperZimmer, Inc.19991
−8K994286ZMR Hip System-Porous RevisionZimmer, Inc.200011
−7K032726Zimmer M/L Taper Hip Prosthesis, 7711 SeriesZimmer, Inc.20033
−6K071723Zimmer Porolock Mis StemZimmer GmbH20082
−5K110400Taperloc Complete Microplasty StemBiomet Manufacturing Corp2011—
−4K121034Ioi Total HipIconacy Orthopedic Implants, LLC2012—
−3K131279Iconacy I-Hip SystemIconacy Orthopedic Implants, LLC2013—
−2K151307ICONACY (TM) I-Hip (TM)Iconacy Orthopedic Implants, LLC2016—
−1K190704Signature Ceramic Femoral HeadSignature Orthopaedics Pty, Ltd.2019—
0 (this device)K240452Ceramic Femoral HeadMicroport Orthopedics, Inc.2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198120
198310
198530
198630
198720
198830
198910
199010
199130
199240
199350
1994250
1995130
1996150
199780
199870
199970
2000141
200160
200280
200370
200450
2005100
200680
200750
200840
200941
201021
201170
201220
201350
201450
201530
201720
201820
FIG. 1 — Lineage of K240452, 1985–2024Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

3 devices in this family have a Class I recall. A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new LZO device

  1. #1 K192827 Quadra-Pscore 19.3 · 10 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (3)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K173776BIOLOX delta Option and Extra-long Heads
Summary page 5
…Class II Subject Product Code and Orthopedics/87/ LZO Panel Code: Primary Predicate Device: BIOLOX delta Option and Extra-long Heads (K173776) Predicate Devices: Signature Ceramic Femoral Head (K190704) MicroPort Orthopedics Total…
Microport Orthopedics, Inc.2018—
*K190704Signature Ceramic Femoral Head
Summary page 5
…dics/87/ LZO Panel Code: Primary Predicate Device: BIOLOX delta Option and Extra-long Heads (K173776) Predicate Devices: Signature Ceramic Femoral Head (K190704) MicroPort Orthopedics Total Hip Systems MR Labeling (K173898)…
Signature Orthopaedics Pty, Ltd.2019—
*K173898MicroPort Orthopedics Total Hip Systems MR Labeling
Summary page 5
…Heads (K173776) Predicate Devices: Signature Ceramic Femoral Head (K190704) MicroPort Orthopedics Total Hip Systems MR Labeling (K173898) K240452 Page 1 of 3…
Microport Orthopedics Inc. (Mpo)2018—

Also cleared against K173776: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (3 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K091423Profemur Hip System Modular NecksWrightmedicaltechnologyinc · 2009 · 2 generations back · ◆ in the 2009 ancestors bar of FIG. 11 Class I recall
  • K003016Pro-Femur RWrightmedicaltechnologyinc · 2000 · 2 generations back · ◆ in the 2000 ancestors bar of FIG. 12 Class I recalls
  • K100866Profemur Hip System Modular NecksWrightmedicaltechnologyinc · 2010 · 3 generations back · ◆ in the 2010 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 39 years and passes through 7 companies; a new generation was cleared every 3.5 years on median.
  • 46 of the 213 ancestors have a recall of any class; 3 have a Class I recall.
  • 1 other device also cites its predicate K173776.

How does its category compare?

All LZO devices

LZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · LZO

14in 2025

2007: 92008: 112009: 72010: 152011: 132012: 142013: 262014: 132015: 122016: 102017: 162018: 182019: 282020: 182021: 122022: 112023: 102024: 112025: 142026 (partial year): 9
2007high 28 (2019) · low 7 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LZO

119in 2025

2007: 87 days median2008: 63 days median2009: 83 days median2010: 78 days median2011: 87 days median2012: 98 days median2013: 100 days median2014: 85 days median2015: 115 days median2016: 177 days median2017: 257 days median2018: 163 days median2019: 109 days median2020: 112 days median2021: 170 days median2022: 279 days median2023: 122 days median2024: 111 days median2025: 119 days median2026 (partial year): 102 days median
2007high 279 (2022) · low 63 (2008)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · LZO

1in 2025

2007: 22008: 132009: 422011: 102012: 142014: 12015: 12016: 92017: 52018: 22019: 42020: 32022: 42023: 22024: 12025: 1
2007high 42 (2009) · low 0 (2010)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · LZO

3,244in 2025

2007: 1382008: 1252009: 1892010: 3942011: 5442012: 9632013: 1,3702014: 1,4772015: 1,3482016: 1,7282017: 2,1652018: 3,1332019: 3,0662020: 1,9632021: 2,1992022: 1,9852023: 2,0662024: 2,5862025: 3,244
2007high 3,244 (2025) · low 125 (2008)2025

MAUDE reports naming product code LZO, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20079872138
2008116313125
200978342189
201015780394
2011138710544
2012149814963
20132610001,370
2014138511,477
20151211511,348
20161017791,728
20171625752,165
20181816323,133
20192810943,066
20201811231,963
20211217002,199
20221127941,985
20231012222,066
20241111112,586
20251411913,244
202691020—

What is it indicated for?

MicroPort total hip systems are intended for use in total hip arthroplasty for reduction or relief of pain

and/or improved hip function in skeletally mature patients with the following conditions:

1. non-inflammatory degenerative joint disease such as osteoarthritis, avascular necrosis, ankylosis,

protrusio acetabuli, and painful hip dysplasia;

2. inflammatory degenerative joint disease such as rheumatoid arthritis;

3. correction of functional deformity; and,

4. revision procedures where other treatments or devices have failed.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K240452: Ceramic Femoral Head.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K240452

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026